9:20 AM.A former member of the US Nuclear Regulatory Commission, Peter was on duty for the partial meltdown at the Three Mile Island nuclear plant in Pennsylvania in 1979 and gives his assessment as to how… Read moreAudio

10:09 AM.Deborah Cavendish, the Dowager Duchess of Devonshire, is the last surviving Mitford sister. The Mitfords were a defining family of their time - Unity was an enthusiastic Nazi, Diana married the… Read moreAudio

Tarek Bazley, Middle East correspondent comments on the latest in Libya.

Colonel Muammar Gaddafi is promising a long war with the West, as air strikes continue to pound his forces in Libya. The defiant leader appeared on Libyan state television overnight, and described the missile and air attacks by Western forces, new Nazism and terrorism.

09:15 What happened at Three Mile Island, and how does it compares to Fukushima?

Peter Bradford, former member of US Nuclear Regulatory Commission, on duty for the partial meltdown at the Three Mile Island nuclear plant in Pennsylvania in 1979.

09:40 What are the risks to Christchurch babies in the aftermath of the earthquake?

Nick Baker, paediatrician.

10:05 Duchess of Devonshire - The last surviving Mitford sister

Deborah Cavendish, the Dowager Duchess of Devonshire, is the last surviving Mitford sister. The Mitfords were a defining family of their time - Unity was an enthusiastic Nazi, Diana married the fascist Sir Oswald Mosley, Nancy was a well-known author, and Jessica, known as Decca, became a communist.